Home / 13,351.84-20,026.02-3,491.88

Finding the Fourth Proportional to 13,351.84, 20,026.02 and 3,491.88

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Solution

The fourth proportional to 13,351.84, 20,026.02 and 3,491.88 is: 5,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.84 : 20,026.02 = 3,491.88 : x
  2. Step 2: Convert to fraction form
    13,351.84/20,026.02 = 3,491.88/x
  3. Step 3: Cross multiply
    13,351.84x = 20,026.02 × 3,491.88
  4. Step 4: Simplify right side
    13,351.84x = 69,928,370.53
  5. Step 5: Solve for x
    x = 69,928,370.53/13,351.84
  6. Step 6: Final answer
    x = 5,237.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.